﻿import axios from 'axios'
import {ElLoading, ElMessage} from 'element-plus'
import {saveAs} from 'file-saver'
import {getToken} from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import {blobValidate} from '@/utils/ruoyi'

const baseURL = import.meta.env.VITE_APP_BASE_API
let downloadLoadingInstance

export default {
    name(name, isDelete = true) {
        var url = baseURL + "/common/download?fileName=" + encodeURIComponent(name) + "&delete=" + isDelete
        axios({
            method: 'get',
            url: url,
            responseType: 'blob',
            headers: {'Authorization': 'Bearer ' + getToken()}
        }).then((res) => {
            const isBlob = blobValidate(res.data)
            if (isBlob) {
                const blob = new Blob([res.data])
                this.saveAs(blob, decodeURIComponent(res.headers['download-filename']))
            } else {
                this.printErrMsg(res.data)
            }
        })
    },
    resource(resource) {
        var url = baseURL + "/common/download/resource?resource=" + encodeURIComponent(resource)
        axios({
            method: 'get',
            url: url,
            responseType: 'blob',
            headers: {'Authorization': 'Bearer ' + getToken()}
        }).then((res) => {
            const isBlob = blobValidate(res.data)
            if (isBlob) {
                const blob = new Blob([res.data])
                this.saveAs(blob, decodeURIComponent(res.headers['download-filename']))
            } else {
                this.printErrMsg(res.data)
            }
        })
    },
    zip(url, name) {
        var url = baseURL + url
        downloadLoadingInstance = ElLoading.service({text: "正在下载数据，请稍候", background: "rgba(0, 0, 0, 0.7)",})
        axios({
            method: 'get',
            url: url,
            responseType: 'blob',
            headers: {'Authorization': 'Bearer ' + getToken()}
        }).then((res) => {
            const isBlob = blobValidate(res.data)
            if (isBlob) {
                const blob = new Blob([res.data], {type: 'application/zip'})
                this.saveAs(blob, name)
            } else {
                this.printErrMsg(res.data)
            }
            downloadLoadingInstance.close()
        }).catch((r) => {
            console.error(r)
            ElMessage.error('下载文件出现错误，请联系管理员！')
            downloadLoadingInstance.close()
        })
    },
    saveAs(text, name, opts) {
        saveAs(text, name, opts)
    },
    async printErrMsg(data) {
        const resText = await data.text()
        const rspObj = JSON.parse(resText)
        const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
        ElMessage.error(errMsg)
    }
}

